Custom Pens, BIC Round Stic Pen - Tungsten Carbide, This versatile pen features a lightweight barrel, ventilated cap, and medium ballpoint for smooth and consistent writing. The BIC Round Stic Pen is a dependable choice that is recognized around the world. Over 600 barrel trim color combinations! Ventilated cap design Mechanism: Stick 1mm Medium Ballpoint Black, Blue or Purple Ink .07mm Fine Point Black or Blue Ink Tungsten Carbide ball Black ink will be provided unless otherwise specified ... #480RS $0.35/each.